Chose bellow the Level that got you stuck, to find the solution:
Level 1-2
Level 1-3
Level 1-4
Level 1-5
Level 1-6
Level 1-7
Level 1-8
Level 1-9
Level 1-10
Level 1-11
Level 1-12
Level 1-13
Level 1-14
Level 1-15
Level 1-16
Level 1-17
Level 1-18
Level 1-19
Level 1-20
Level 1-21
Level 1-22
Level 1-23
Level 1-24
Level 1-25
Level 2-2
Level 2-3
Level 2-4
Level 2-5
Level 2-6
Level 2-7
Level 2-8
Level 2-9
Level 2-10
Level 2-11
Level 2-12
Level 2-13
Level 2-14
Level 2-15
Level 2-16
Level 2-17
Level 2-18
Level 2-19
Level 2-20
Level 2-21
Level 2-22
Level 2-23
Level 2-24
Level 2-25
Level 3-2
Level 3-3
Level 3-4
Level 3-5
Level 3-6
Level 3-7
Level 3-8
Level 3-9
Level 3-10
Level 3-11
Level 3-12
Level 3-13
Level 3-14
Level 3-15
Level 3-16
Level 3-17
Level 3-18
Level 3-19
Level 3-20
Level 3-21
Level 3-22
Level 3-23
Level 3-24
Level 3-25